diff --git a/firmware/config/boards/hellen/hellen-112-17/board_configuration.cpp b/firmware/config/boards/hellen/hellen-112-17/board_configuration.cpp
index 7815df6437..be88e0fe82 100644
--- a/firmware/config/boards/hellen/hellen-112-17/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen-112-17/board_configuration.cpp
@@ -52,8 +52,7 @@ void setBoardConfigOverrides() {
 	configureHellenCanTerminator();
 	setHellenCan();
 
-	engineConfiguration->clt.config.bias_resistor = 4700;
-	engineConfiguration->iat.config.bias_resistor = 4700;
+	setDefaultHellenAtPullUps();
 
 	engineConfiguration->triggerInputPins[0] = Gpio::MM100_IN_CRANK;
 	engineConfiguration->camInputs[0] = Gpio::MM100_IN_D1;
diff --git a/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp b/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
index 9d403c19d5..1f20bdf82a 100644
--- a/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
@@ -55,8 +55,7 @@ void setBoardConfigOverrides() {
 	configureHellenMegaAccCS2Pin();
 	configureHellenCanTerminator();
 
-	engineConfiguration->clt.config.bias_resistor = 4700;
-	engineConfiguration->iat.config.bias_resistor = 4700;
+	setDefaultHellenAtPullUps();
 
 	engineConfiguration->triggerInputPins[0] = Gpio::H144_IN_RES1;
 	engineConfiguration->camInputs[0] = Gpio::H144_IN_RES3;
diff --git a/firmware/config/boards/hellen/uaefi/board_configuration.cpp b/firmware/config/boards/hellen/uaefi/board_configuration.cpp
index 48fa87915a..4b02fcd6db 100644
--- a/firmware/config/boards/hellen/uaefi/board_configuration.cpp
+++ b/firmware/config/boards/hellen/uaefi/board_configuration.cpp
@@ -58,8 +58,7 @@ void setBoardConfigOverrides() {
 	configureHellenCanTerminator();
 	setHellenCan();
 
-	engineConfiguration->clt.config.bias_resistor = 4700;
-	engineConfiguration->iat.config.bias_resistor = 4700;
+	setDefaultHellenAtPullUps();
 
     // PWM pin
     engineConfiguration->etbIo[0].controlPin = Gpio::MM100_OUT_PWM3;